package com.dao;

import com.entity.Sc;

import java.util.List;

public interface ScDao {
    public List<Sc>  getAllScs()  throws Exception;

    //增删改的返回值都是整数
    Integer deleteScBySno(Integer sno)  throws Exception;
    Integer updateScBySno(Sc sc)  throws Exception;
    Integer addScByScno(Sc sc)  throws Exception;

}
